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Photo 3 - For misaligned or bent anchor bolts that will not allow the base plate to fit over the bolts, consider bending the bolts into position.
Anchor Bolt Tolerances
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How to Manage Moisture Loss and Temperature of Freshly Placed Concrete
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Curing Part I – Why cure?
Bases for slabs-on-ground must be smooth, hard and compacted.
Slabs-On-Ground: Slab Thickness and Base Tolerances
Random cracks in reinforced slabs caused by thermal contraction and drying shrinkage are not longitudinal cracks and typically do not increase the risk of reinforcement corrosion in concrete.
Two Theories Related to Cracks and Rebar Corrosion
1. Mass concreting practices were primarily developed for dam construction where thermal cracking was first identified. However, now mass concreting practices are used for large structural elements including mat foundations, pile caps, bridge piers, large beams and girders, and thick walls and slabs.
How To Plan & Manage Curing for Mass Concrete Pours
What You Need to Know About Plastic Shrinkage Cracking
What You Need to Know About Plastic Shrinkage Cracking
Water content is the single most important factor affecting workability or the ease of mixing and placing concrete.
Water in Concrete
Hydronic heaters provide an even distribution of heat to the concrete. Here, a poly sheet covers a slab-on-grade. Hydronic heating tubes were placed on top of the poly and the entire system is being covered with insulated blankets.
How to Protect Concrete During Cold Weather Pours
In-place concrete strengths represented by cores are typically less than lab-cured cylinder strengths due to field factors like consolidation and curing.
How to Get the Best Results from Concrete Core Testing
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How to Make and Cure Standard Test Cylinders in the Field
Make cylinders in strict accordance with ASTM C31 and store cylinders in a concrete cure box for the initial curing period.
Avoid the False Alarm for Low-Strength Concrete
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